OUTLINES STRUCTURE & FUNCTION OF THE HUMAN EAR, SOUND WAVES ARE BRIEFLY EXPLAINED. ANIMATION REVEALS FUNCTION OF TYMPANIC MEMBRANE & OSSICLES OF EAR BONES & OTHER PARTS OF THE EAR. Shows the transmission of sound waves by the tympanic membrane and the ossicles to the oval window and illustrates pressure equalization in the middle ear by the eustachian tube.
06:20:16:10 LS audience sitting in theatre, probably shot in 1920s or 1930s
06:20:32:14 Kaleidoscopic montage of man's ear, rotating (good surreal shot of ears and hearing)
06:20:57:16 CU old alarm bell showing animated sound waves emanating from it
06:22:42:16 Hand-drawn stills showing man's head and anatomy of ear and hearing apparatus, including sinuses and frontal lobes
06:23:46:01 Drawings of inner ear labeled to show anatomical parts
EARS SCIENCE HEARING HUMAN BODIES ANIMATION DIAGRAMS DRAWINGS Sound Sound waves (animated) Ears (animated) Heads Senses Physiology Audiences Theaters Eardrums (animated) Montages Surrealism Ears (rotating) Visual effects